Curved side fins for a surfboard



FIG. 1 is a front elevational view of a curved side fins for a surfboard showing my new design, the broken lines are for illustrative purposes only and forms no part of the claimed design;

FIG. 2 is a outer side elevational view of a right side fin thereof, the left side fin being a mirror image of the right side fin;

FIG. 3 is a inner side elevational view of a left side fin thereof;

FIG. 4 is a rear elevational view of a right side fin thereof;

FIG. 5 is a front elevational view of a right side fin thereof;

FIG. 6 is a top plan view of a right side fin thereof;

FIG. 7 is a bottom plan view of a right side fin thereof; and,

FIG. 8 is a perspective view thereof showing the fins are attached to the lower surface of a surfboard. 

The ornamental design for a curved side fins for a surfboard, as shown and described. 